Legend says this sacred tree was a gift from goddess Athena.

The only ancient site that remains on the south bank of the sacred Ilissos river.

The abandoned "Red Star Train Graveyard" is the final rusting place for precious artifacts of train history.

This memorial to a murdered empress took 20 years to design, then spent 30 years hidden away in storage.

Also known as Uncle Karl, the beloved bronze copper keeps a watchful eye on St. Stephen’s Basilica while people rub his lucky belly.

A triumphant marble and bronze fountain depicting a 15th-century Hungarian king and his hunting party.

This easily overlooked memorial immortalizes the scars from the 1956 Hungarian Revolution.

The geographical center of Budapest is marked with a 10-foot-tall stylized zero.

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

The mummified right fist of a 1,000-year-old saint-king sits inside an ornate golden reliquary.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

This off-beat, quirky communism-themed bar isn't afraid to poke fun at its history.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

An encyclopedic collection of mammal penises.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

This monument to one of the largest science fiction games of all time bears the names of hundreds of thousands of players.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

This tiny museum's sizable collection is jammed into a former underground public toilet.

Iceland's tribute to its thankless civil servants.

A relatively obscure antihero from the Marvel Comics universe adorns a wall inside Iceland's main airport.

One of the oldest family businesses in Reykjavík serves lamb-based hot dogs.